Create database to autotest
Create database to autotest

Followed:
https://github.com/docker-library/docs/blob/master/postgres/README.md#postgres_db

Signed-off-by: Vitor Mattos <ddd80347cc894536655615ccf7805ebc23683866@php.rio>

nextcloud/server,nextcloud/server,nextcloud/server,nextcloud/server